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<p align="center"><span style="FONT-FAMILY: Arial"><span style="COLOR: #800000; FONT-WEIGHT: bold">QJ MK-A Modulator
      <br />
      　</span></span></p>
<p align="left"><span style="FONT-FAMILY: Arial"><span style="COLOR: #800000; FONT-WEIGHT: bold">Features</span></span></p>
 <div align="left">
<ul>
   <li>
    Frequency range：45.00～870.00MHz </li>
   <li>
     I2C bus-mastering</li>
   <li>
     5 digits LED display </li>
   <li>
     GaAs RF component used</li>
   <li>
     Easy to adjust frequency of Video Carrier and Span of Video and Audio,modulation level,volume,A/V and RF signallevel at front panel control board by turning keys </li>
   <li>
     High C/N ,reliable and easy to operation
      　 </li>
</ul></div>
<hr />
<p align="left"><span style="FONT-FAMILY: Arial; COLOR: #993300; FONT-WEIGHT: bold">Specification</span></p>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><span style="COLOR: #993300; FONT-WEIGHT: bold">RF</span></span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Frequency range </span></td>
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       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">45.00 to 870.00MHz </span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Frequency stability </span></td>
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       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">5KHz</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Output level </span></td>
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       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">≥115dBμV</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Level adjustment range </span></td>
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       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">≥20dB(several levels adjustable) </span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Output impedance </span></td>
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       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">75Ω</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Spurious output </span></td>
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       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">-60dB</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Output return loss </span></td>
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       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">14dB</span></td>
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<span style="FONT-FAMILY: Arial; COLOR: #993300; FONT-SIZE: 10pt; FONT-WEIGHT: bold"></span><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">C/N </span></td>
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       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">≥60dB</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"></span></td>
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<span style="FONT-FAMILY: Arial; COLOR: #993300; FONT-SIZE: 10pt; FONT-WEIGHT: bold">IF</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">IF/Picture output Frequency</span></td>
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       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">38.00MHz</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">IF/Picture output Level</span></td>
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       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">85dBμV</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Aural IF Output Frequency </span></td>
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       <td align="left" bgcolor="#eeeeee" height="20" valign="top"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">31.50MHz(6.50MHz)</span></td>
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<span style="FONT-FAMILY: Arial; COLOR: #800000; FONT-SIZE: 10pt; FONT-WEIGHT: bold"></span><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">A/V Carrier Ratio </span></td>
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       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">-10 to -20dB(10 levels adjustable)</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"></span></td>
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<span style="FONT-FAMILY: Arial; COLOR: #993300; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Video</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Standard Video Input Level </span></td>
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       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">1.0V p-p </span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Video input impedance </span></td>
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       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">75Ω</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Visual S/N </span></td>
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       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">50dB</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Video Response </span></td>
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       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">1.5dB</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">DG</span></td>
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       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">2.50%</span></td>
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<span style="FONT-FAMILY: Arial; COLOR: #993300; FONT-SIZE: 10pt; FONT-WEIGHT: bold"></span><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">DP</span></td>
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       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">2.50%</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Chrominance luminance delay </span></td>
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       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">40ns</span></td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Video modulation level </span></td>
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       <td align="left" bgcolor="#c0c0c0" height="20">87.50%</td>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Video clamp </span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
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          </tbody>
        </table></td>
       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">25dB</span></td>
    </tr>
     <tr>
       <td align="left">
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           <tbody>
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               <td align="left" bgcolor="#c0c0c0" valign="center" width="100%">
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Modulation level</span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">1-32 level adjustable </span></td>
    </tr>
     <tr>
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         <table border="0" cellspacing="0" cellpadding="0" width="100%" height="100%">
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MSCellFormattingTableID="2"
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           <tbody>
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"></span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"></span></td>
    </tr>
     <tr>
       <td align="left">
         <table border="0" cellspacing="0" cellpadding="0" width="100%" height="100%">
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MSCellFormattingTableID="3"
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               <td align="left" bgcolor="#c0c0c0" height="100%" valign="center" width="100%">
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><span style="COLOR: #993300; FONT-WEIGHT: bold">Audio</span></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"></span></td>
    </tr>
     <tr>
       <td align="left">
         <table border="0" cellspacing="0" cellpadding="0" width="100%" height="100%">
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MSCellFormattingTableID="4"
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           <tbody>
             <tr>
               <td align="left" bgcolor="#eeeeee" valign="center" width="100%">
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Input level range </span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">+5 to +25dBmv</span></td>
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       <td align="left">
         <table border="0" cellspacing="0" cellpadding="0" width="100%" height="100%">
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               <td align="left" bgcolor="#c0c0c0" valign="center" width="100%">
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Input impedance </span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">＞10kΩ</span></td>
    </tr>
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       <td align="left">
         <table border="0" cellspacing="0" cellpadding="0" width="100%" height="100%">
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               <td align="left" bgcolor="#eeeeee" valign="center" width="100%">
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Frequency response</span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">1.5dB</span></td>
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     <tr>
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               <td align="left" bgcolor="#c0c0c0" valign="center" width="100%">
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Aural S/N</span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">52dB</span></td>
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     <tr>
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               <td align="left" bgcolor="#eeeeee" valign="center" width="100%">
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Audio distortion</span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">0.40%</span></td>
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               <td align="left" bgcolor="#c0c0c0" valign="center" width="100%">
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Sound Frequency</span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">6.50、6.00、5.50、4.50MHz</span></td>
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       <td align="left">
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MSCellFormattingTableID="67"
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               <td align="left" bgcolor="#eeeeee" valign="center" width="100%">
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Maximum Sound Deviation</td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1">
                <img alt="" src="images/MsSpacer.gif" width="1" height="1" /></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#eeeeee" height="20">50KHz</td>
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MSCellFormattingTableID="69"
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Pre-emphasis</td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1">
                <img alt="" src="images/MsSpacer.gif" width="1" height="1" /></td>
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        </table></td>
       <td align="left" bgcolor="#c0c0c0" height="20">50μs</td>
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MSCellFormattingTableID="70"
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               <td align="left" bgcolor="#eeeeee" valign="center" width="100%">
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Audio level</td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1">
                <img alt="" src="images/MsSpacer.gif" width="1" height="1" /></td>
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          </tbody>
        </table></td>
       <td align="left" bgcolor="#eeeeee" height="20">1-32 level adjustable</td>
    </tr>
     <tr>
       <td align="left" bgcolor="#c0c0c0" height="20" colspan="2">
         <table border="0" cellspacing="0" cellpadding="0" width="100%" height="100%">
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MSCellFormattingTableID="52"
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               <td align="left" bgcolor="#c0c0c0" height="100%" valign="center" width="100%">
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<span style="FONT-FAMILY: Arial; COLOR: #993300; FONT-SIZE: 10pt; FONT-WEIGHT: bold">General</span></td>
            </tr>
          </tbody>
        </table></td>
    </tr>
     <tr>
       <td align="left" bgcolor="#c0c0c0">
         <table border="0" cellspacing="0" cellpadding="0" width="100%" height="100%">
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MSCellFormattingTableID="53"
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Operation temperature</span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#eeeeee" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">-10°C~40°C</span></td>
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       <td align="left">
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MSCellFormattingTableID="64"
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               <td align="left" bgcolor="#c0c0c0" valign="center" width="100%">
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Power </span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">AC 220V</span></td>
    </tr>
     <tr>
       <td align="left" class="style1">
         <table border="0" cellspacing="0" cellpadding="0" width="100%" height="100%">
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MSCellFormattingTableID="66"
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           <tbody>
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               <td align="left" bgcolor="#eeeeee" valign="center" width="100%">
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Weight</span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#eeeeee" class="style1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">about 3.7Kg</span></td>
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       <td align="left" bgcolor="#c0c0c0">
         <table border="0" cellspacing="0" cellpadding="0" width="100%" height="100%">
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<span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Dimension</span></td>
               <td align="left" bgcolor="#00ffff" height="100%" width="1"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">
                  <img alt="" src="http://www.sq-catv.com/site1/images/MsSpacer.gif" width="1" height="1" /></span></td>
            </tr>
          </tbody>
        </table></td>
       <td align="left" bgcolor="#c0c0c0" height="20"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">482mm×360mm×44mm</span></td>
    </tr>
     <tr>
       <td align="left" width="354"></td>
       <td align="left" height="3" width="412"></td>
    </tr>
  </tbody>
</table></p>
<p>　</p>
<p><span style="FONT-WEIGHT: bold"><span style="FONT-FAMILY: Arial; COLOR: #0000cc; FONT-SIZE: 10pt"></span><span style="FONT-FAMILY: Arial; COLOR: #cc00ff; FONT-SIZE: 10pt"></span></span></p>